import AuthUtil from '@/sheep/api/member/auth';
import SocialApi from '@/sheep/api/member/social';
import UserApi from '@/sheep/api/member/user';

const socialType = 34; // 社交类型 - 微信小程序

let subscribeEventList = [];

// 加载微信小程序
function load() {
	checkUpdate();
	getSubscribeTemplate();
}

// 微信小程序静默授权登陆
const login = async () => {
	return new Promise(async (resolve, reject) => {
		// 1. 获得微信 code
		const codeResult = await uni.login();
		if (codeResult.errMsg !== 'login:ok') {
			return resolve(false);
		}

		// 2. 社交登录
		const loginResult = await AuthUtil.socialLogin(socialType, codeResult.code, 'default');
		if (loginResult.code === 0) {
			setOpenid(loginResult.data.openid);

			uni.reLaunch({
				url: '/pages/index/user'
			});
			return resolve(true);
		} else {
			return resolve(false);
		}
	});
};

// 微信小程序手机号授权登陆
const mobileLogin = async (e) => {
	return new Promise(async (resolve, reject) => {
		if (e.errMsg !== 'getPhoneNumber:ok') {
			return resolve(false);
		}

		// 1. 获得微信 code
		const codeResult = await uni.login();
		if (codeResult.errMsg !== 'login:ok') {
			return resolve(false);
		}

		// 2. 一键登录
		const loginResult = await AuthUtil.weixinMiniAppLogin(e.code, codeResult.code, 'default');
		if (loginResult.code === 0) {
			setOpenid(loginResult.data.openid);
			return resolve(true);
		} else {
			return resolve(false);
		}
	});
};

// 微信小程序绑定
const bind = () => {
	return new Promise(async (resolve, reject) => {
		// 1. 获得微信 code
		const codeResult = await uni.login();
		if (codeResult.errMsg !== 'login:ok') {
			return resolve(false);
		}

		// 2. 绑定账号
		const bindResult = await SocialApi.socialBind(socialType, codeResult.code, 'default');
		if (bindResult.code === 0) {
			setOpenid(bindResult.data);
			return resolve(true);
		} else {
			return resolve(false);
		}
	});
};

// 微信小程序解除绑定
const unbind = async (openid) => {
	const {
		code
	} = await SocialApi.socialUnbind(socialType, openid);
	return code === 0;
};

// 绑定用户手机号
const bindUserPhoneNumber = (e) => {
	return new Promise(async (resolve, reject) => {
		const {
			code
		} = await UserApi.updateUserMobileByWeixin(e.code);
		if (code === 0) {
			resolve(true);
		}
		resolve(false);
	});
};

// 设置 openid 到本地存储，目前只有 pay 支付时会使用
function setOpenid(openid) {
	uni.setStorageSync('openid', openid);
}

// 获得 openid
async function getOpenid(force = false) {
	let openid = uni.getStorageSync('openid');
	if (!openid && force) {
		const info = await getInfo();
		if (info && info.openid) {
			openid = info.openid;
			setOpenid(openid);
		}
	}
	return openid;
}

// 获得社交信息
async function getInfo() {
	const {
		code,
		data
	} = await SocialApi.getSocialUser(socialType);
	if (code !== 0) {
		return undefined;
	}
	return data;
}

// ========== 非登录相关的逻辑 ==========

// 小程序更新
const checkUpdate = async (silence = true) => {
	if (uni.canIUse('getUpdateManager')) {
		const updateManager = uni.getUpdateManager();
		updateManager.onCheckForUpdate(function(res) {
			// 请求完新版本信息的回调
			if (res.hasUpdate) {
				updateManager.onUpdateReady(function() {
					uni.showModal({
						title: '更新提示',
						content: '新版本已经准备好，是否重启应用？',
						success: function(res) {
							if (res.confirm) {
								// 新的版本已经下载好，调用 applyUpdate 应用新版本并重启
								updateManager.applyUpdate();
							}
						},
					});
				});
				updateManager.onUpdateFailed(function() {
					// 新的版本下载失败
					// uni.showModal({
					//   title: '已经有新版本了哟~',
					//   content: '新版本已经上线啦，请您删除当前小程序，重新搜索打开~',
					// });
				});
			} else {
				if (!silence) {
					uni.showModal({
						title: '当前为最新版本',
						showCancel: false,
					});
				}
			}
		});
	}
};

// 获取订阅消息模板
async function getSubscribeTemplate() {
	const {
		code,
		data
	} = await SocialApi.getSubscribeTemplateList();
	if (code === 0) {
		subscribeEventList = data;
	}
}

// 订阅消息
function subscribeMessage(event, callback = undefined) {
	let tmplIds = [];
	if (typeof event === 'string') {
		const temp = subscribeEventList.find(item => item.title.includes(event));
		if (temp) {
			tmplIds.push(temp.id);
		}
	}
	if (typeof event === 'object') {
		event.forEach((e) => {
			const temp = subscribeEventList.find(item => item.title.includes(e));
			if (temp) {
				tmplIds.push(temp.id);
			}
		});
	}
	if (tmplIds.length === 0) return;

	uni.requestSubscribeMessage({
		tmplIds,
		success: () => {
			// 不管是拒绝还是同意都触发
			callback && callback()
		},
		fail: (err) => {
			console.log(err);
		},
	});
}

export default {
	load,
	login,
	bind,
	unbind,
	bindUserPhoneNumber,
	mobileLogin,
	getInfo,
	getOpenid,
	subscribeMessage,
	checkUpdate,
};